package com.xf.pm.util;

import java.security.MessageDigest;

public class MD5 {

	/**
	 * 摘要加密
	 * @param data 加密数据 
	 * @return
	 */
	public final static String  digest(String data){
		char hexDigits[]={
				'0','1','2','3','4','5','6','7','8','9',
				'a','b','c','d','e','f'};
		try{
			byte[] strTemp = data.getBytes();
			MessageDigest mdTemp = MessageDigest.getInstance("MD5");
			mdTemp.update(strTemp);
			byte[] md = mdTemp.digest();
			int j = md.length;
			char str[] = new char[j*2];
			int k=0;
			for(int i=0;i<j;i++){
				byte byte0 = md[i];
				str[k++]=hexDigits[byte0>>>4&0xf];
				str[k++]=hexDigits[byte0&0xf];
			}
			return new String(str);
		}catch(Exception e){
			return null;
		}
	}
	
	public static void main(String[] args) {
		String a="123456xfadmin";
		System.out.println(MD5.digest(a));
	}

}
